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From:
Charles Robert Darwin
To:
Robert FitzRoy
Date:
[20 Feb 1840]
Source of text:
DAR 144: 117
Summary:

Poor health has made him give up all geological work.

Profits on their volumes [of Narrative] seem absurdly small.

Looks back on Beagle voyage as the most fortunate circumstance in his life.

Finds marriage a great happiness.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
David Milne Home
Date:
20 [Feb 1840]
Source of text:
University of Illinois at Urbana-Champaign, Rare Book and Manuscript Library (Charles E. Mudie Collection, 1816–1897: Correspondence Post-1650 MS 0112)
Summary:

About earthquakes: the shock of February 1835 in Chile; possible connection between shocks occurring coincidentally in different parts of the world, and between earthquakes and the weather; DM’s collection of accounts of earthquakes in Scotland.

Contributor:
Darwin Correspondence Project
From:
Edward Sabine
To:
Sir John Herschel
Date:
20 February [1840]
Source of text:
RS:HS 15.303
Summary:

Will send information from observatories where aurora are visible. Discusses occurrences at various observatories and a letter from [C.] Kreil to [A. T.] Kupffer regarding his observations.

Contributor:
John Herschel Project
From:
Robert Vernon Smith
To:
Sir John Herschel
Date:
[20 February 1840]
Source of text:
UCT JH Letters A1.38
Summary:

Writing on behalf of John Russell, asks that JH inform T. J. Paterson of his appointment to a position teaching in the Government Schools at the Cape of Good Hope. Mentions travel arrangements for those appointed.

Contributor:
John Herschel Project
From:
Robert Fox
To:
Sir John Herschel
Date:
[20 February 1840]
Source of text:
unknown
Summary:

Devotes his spare time to optics and has made several telescopes. Would welcome his advice on where to obtain good quality flint glass.

Contributor:
John Herschel Project